Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating Activities - continuing operations
Net income (loss)	$ 29,801	$ 47,908	$ 28,529
(Income) loss from discontinued operations		(802)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Depreciation and amortization	4,724	3,927	1,747
Impairment related and other	970	1,182	5,021
Equity-based compensation	4,282	3,069	3,651
Equity loss	11,964	16,022	12,131
Other (income) loss	(42,624)	(74,147)	(16,578)
Deferred income taxes	(4,750)	791	(28,871)
Changes in assets and liabilities, net of effect of acquisitions:
Accounts receivable, net	(6,953)	(6,530)	(4,083)
Tax receivable	6,314	4,757	(10,627)
Prepaid expenses and other assets	(52)	(135)	(71)
Accounts payable	122	421	(349)
Accrued expenses	2,320	(1,816)	142
Accrued compensation and benefits	(3,727)	2,469	1,842
Deferred revenue	3,153	4,166	(1,472)
Other liabilities	700	(113)	9
Cash flows provided by (used in) operating activities	6,244	1,169	(8,979)
Investing Activities - continuing operations
Capital expenditures, net	(3,374)	(4,168)	(2,995)
Advanced deposits for acquisition of fixed assets	(115)	(30)	274
Change in restricted cash	68	(154)	172
Proceeds from sales of marketable securities		74,383	21,625
Proceeds from sales/distributions of ownership interests	54,116	1,878	2,607
Proceeds from other distributions	1,855
Acquisitions of ownership interests and cost method investments	(12,090)	(2,786)	(46,654)
Acquisitions by subsidiaries	(2,215)
Increase in cash due to consolidation of companies			2,807
Decrease in cash due to sale of subsidiary assets			(81)
Proceeds from sale of discontinued operations		670
Cash flows provided by (used in) investing activities	38,245	69,793	(22,245)
Financing Activities - continuing operations
Acquisition of noncontrolling interest in subsidiary equity	(1,320)	(49,658)
Borrowings of long-term debt	238	21,062
Long-term debt repayments and capital lease obligations, net	(5,016)	(2,575)	(150)
Line of credit repayments			(115)
Purchase of treasury stock	(8,588)		(2,702)
Payment of dividend by Procurian		(3,206)
Tax withholdings related to equity-based awards	(147)	(1,777)
Exercises of stock options at parent	151	1,894
Debt commitment fee		(175)
Other financing activities	(24)	(41)	32
Cash flows provided by (used in) financing activities	(14,706)	(34,476)	(2,935)
Effect of exchange rates on cash	(312)	(151)	345
Discontinued Operations
Cash flows provided by (used in) operating activities		633
Cash flows provided by (used in) investing activities		(11)
Cash flows provided by (used in) financing activities
Net increase (decrease) in cash and cash equivalents from discontinued operations		622
Net increase (decrease) in cash and cash equivalents	29,471	36,957	(33,814)
Cash and cash equivalents at beginning of period	92,438	55,481	89,295
Cash and cash equivalents at the end of period	$ 121,909	$ 92,438	$ 55,481